We are API, CE, ISO certified seamless carbon steel pipe manufacturer with production range from 8" -36" . Please see specifications below: Product Name: Carbon Steel Seamless Pipe Diameter: 219-914mm Thickness: 4.0-30mm Length: 6-12m/ pcs Standard: ASTM A106B A53B DIN17175 EN10204 EN10216 etc Grade: GR.B ST42 ST45 ST52 X42-X60 P265GH P235GH S335JH etc External Coating: 2PE, 3PE, FBE, etc We can also offer ERW, LASW, SSAW . If you have such inquiry , please do not hesite to contact me. For quick quotation, you may add MSN: steelpipe2005@ hotmail.com Skype: steelpipe2005 Best Regards, Ms.Kellen Yang Hebei Zhonghai Steel Pipe Manufacturing Corporation ------------------------------------------------------------ M B: 0086-150-3285-8733 Fax: 0086-311-89619301 Email: kellen@ hbzhonghai.com www.zh-steelpipe.com